Equivalent form of RungeLenz vector

ZHENGXiaoJuan1, HUANGYibin2

doi:10.16854/j.cnki.1000-0712.250112

College Physics >

2026 , Vol. 45 >Issue 2: 15

DOI: https://doi.org/10.16854/j.cnki.1000-0712.250112

Equivalent form of RungeLenz vector

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1.School of Physics, Central South University, Changsha, Hunan 410083, China;
2. School of Physics and Communication Electronics, Jiangxi Normal University, Nanchang, Jiangxi 330022, China

Received date: 2025-03-05

Revised date: 2025-03-05

Online published: 2026-05-21

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Abstract

Through some simple derivations, a conserved vector in the inverse square force field is obtained, which is found to be equivalent to the Runge Lenz vector. We also discusse its relationship with the hodograph.

Key words： RungeLenz vector; central force; inverse square force; hodograph

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ZHENGXiaoJuan1, HUANGYibin2 . Equivalent form of RungeLenz vector[J]. College Physics, 2026 , 45(2) : 15 . DOI: 10.16854/j.cnki.1000-0712.250112

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